QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #18048 | #2265. Short Coding | laihaochen# | AC ✓ | 4ms | 2008kb | C++17 | 2.2kb | 2022-01-15 21:51:12 | 2022-05-04 16:46:11 |
Judging History
answer
#include <cstdio>
#include <algorithm>
#include <cstring>
using namespace std;
const int N = 15;
int n, m, sx, sy;
char s[N][N];
bool vis[N][N][5][4];
int dx[] = {0, 1, 0, -1};
int dy[] = {1, 0, -1, 0};
//1 GOTO 1
//2 GOTO 2
//3 GOTO 3
//4 GOTO 4
//5 IF-OPEN 1
//6 IF-OPEN 2
//7 IF-OPEN 3
//8 IF-OPEN 4
//9 FORWARD
//10 LEFT
//11 RIGHT
int len, a[5], b[5], ans = 5;
bool check (int x, int y, int p, int d) {
if (s[x][y] == 'G') return 1;
if (vis[x][y][p][d]) return 0;
vis[x][y][p][d] = 1;
if (a[p] <= 4) {
p = a[p];
} else if (a[p] <= 8) {
int nx = x + dx[d], ny = y + dy[d];
if (1 <= nx && nx <= n && 1 <= ny && ny <= m && s[nx][ny] != '#') {
p = a[p] - 4;
} else {
p = p % len + 1;
}
} else if (a[p] == 9) {
int nx = x + dx[d], ny = y + dy[d];
if (1 <= nx && nx <= n && 1 <= ny && ny <= m && s[nx][ny] != '#') {
x = nx, y = ny;
}
p = p % len + 1;
} else if (a[p] == 10) {
d = (d + 3) % 4;
p = p % len + 1;
} else {
d = (d + 1) % 4;
p = p % len + 1;
}
return check (x, y, p, d);
}
void dfs (int cur) {
if (cur == 5) return;
for (int i = 1; i <= 11; i++) {
if (i <= 4) {
if (i == cur || i > cur) continue;
} else if (i <= 8) {
if (i == cur + 4 || i > cur + 4) continue;
}
a[cur] = i, len = cur;
memset (vis, 0, sizeof(vis));
if (check(sx, sy, 1, 1)) {
if (len < ans) {
ans = len;
for (int j = 1; j <= len; j++) b[j] = a[j];
}
} else {
dfs (cur + 1);
}
}
}
int main() {
scanf ("%d%d", &n, &m);
for (int i = 1; i <= n; i++) {
scanf ("%s", s[i] + 1);
for (int j = 1; j <= m; j++) {
if (s[i][j] == 'S') sx = i, sy = j;
}
}
dfs (1);
printf ("%d\n", ans);
if (ans == 5) {
printf ("LEFT\n");
printf ("IF-OPEN 5\n");
printf ("RIGHT\n");
printf ("GOTO 2\n");
printf ("FORWARD\n");
} else {
for (int i = 1; i <= ans; i++) {
if (b[i] <= 4) {
printf ("GOTO %d\n", b[i]);
} else if (b[i] <= 8) {
printf ("IF-OPEN %d\n", b[i] - 4);
} else if (b[i] == 9) {
printf ("FORWARD\n");
} else if (b[i] == 10) {
printf ("LEFT\n");
} else {
printf ("RIGHT\n");
}
}
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 1824kb
input:
4 2 S# .# .# G.
output:
1 FORWARD
result:
ok correct answer!
Test #2:
score: 0
Accepted
time: 1ms
memory: 1772kb
input:
3 6 ##S..# #..##. .G..#.
output:
2 FORWARD RIGHT
result:
ok correct answer!
Test #3:
score: 0
Accepted
time: 0ms
memory: 1812kb
input:
3 7 ....S## .#.#... ##.#.G#
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #4:
score: 0
Accepted
time: 1ms
memory: 1812kb
input:
4 8 ...S.#.# ##..#.#. ###...#. #.#.#G.#
output:
3 FORWARD FORWARD LEFT
result:
ok correct answer!
Test #5:
score: 0
Accepted
time: 1ms
memory: 1708kb
input:
3 5 .S#.. ..... ..#G.
output:
3 FORWARD LEFT FORWARD
result:
ok correct answer!
Test #6:
score: 0
Accepted
time: 1ms
memory: 1816kb
input:
10 10 .....S#... ...#...... ....##.... .#.....#.. ....#..... ..#....... ...#...... .......... .#...#.... G.#..#...#
output:
3 LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #7:
score: 0
Accepted
time: 0ms
memory: 1816kb
input:
7 9 .##S.#..# ......... ......... ...#...## ###..#### ........# .....##G#
output:
3 RIGHT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #8:
score: 0
Accepted
time: 1ms
memory: 1824kb
input:
3 9 ..#.#.#S# #...#...# .G....#.#
output:
3 FORWARD RIGHT FORWARD
result:
ok correct answer!
Test #9:
score: 0
Accepted
time: 0ms
memory: 1828kb
input:
4 5 #S... ..#.. .#..# .#.G#
output:
3 RIGHT FORWARD FORWARD
result:
ok correct answer!
Test #10:
score: 0
Accepted
time: 1ms
memory: 1708kb
input:
6 8 ..S..#.# ...#...# ....#..# #.#.##.. .......# .#..#G.#
output:
4 FORWARD LEFT FORWARD RIGHT
result:
ok correct answer!
Test #11:
score: 0
Accepted
time: 0ms
memory: 1696kb
input:
9 10 S......... .#..#....# ........#. .......... .....#.#.. .#...#.... #..#.##.#. ..#..#...# ..#.#....G
output:
4 LEFT FORWARD RIGHT FORWARD
result:
ok correct answer!
Test #12:
score: 0
Accepted
time: 0ms
memory: 1768kb
input:
10 4 #.S. .#.# ##.# ##.. .#.. #... #.## ..#. .#.. G.##
output:
4 FORWARD RIGHT FORWARD LEFT
result:
ok correct answer!
Test #13:
score: 0
Accepted
time: 1ms
memory: 1968kb
input:
9 9 #..#...S# .#...##.# .....##.. ..#..#... ..#..#..# .#..#.#.# .###..... ..#.#.##. G#....#.#
output:
4 RIGHT FORWARD LEFT FORWARD
result:
ok correct answer!
Test #14:
score: 0
Accepted
time: 1ms
memory: 1720kb
input:
7 3 .S# #.. ..# ... ..# .#. .G.
output:
4 FORWARD FORWARD FORWARD LEFT
result:
ok correct answer!
Test #15:
score: 0
Accepted
time: 1ms
memory: 1728kb
input:
6 6 ..#S.. #.#.#. .....# #.#... ..#... ..G##.
output:
4 FORWARD FORWARD LEFT FORWARD
result:
ok correct answer!
Test #16:
score: 0
Accepted
time: 1ms
memory: 1708kb
input:
6 8 ....#S.. ......#. ..##..#. ###.#.## ..#...#. ##.G#..#
output:
4 FORWARD FORWARD RIGHT FORWARD
result:
ok correct answer!
Test #17:
score: 0
Accepted
time: 1ms
memory: 1824kb
input:
10 8 #..S.### .#....## .#...... ....#.#. #...#..# ........ ....#.## ...#.### .#.#...# .#...G.#
output:
4 FORWARD LEFT FORWARD IF-OPEN 3
result:
ok correct answer!
Test #18:
score: 0
Accepted
time: 0ms
memory: 1708kb
input:
7 6 ...##S #..... ....#. ...#.# ....#. #..... .....G
output:
4 FORWARD RIGHT FORWARD IF-OPEN 3
result:
ok correct answer!
Test #19:
score: 0
Accepted
time: 0ms
memory: 1820kb
input:
4 8 .##..S.. #.###..# .#...#.. ...#G...
output:
4 RIGHT FORWARD FORWARD FORWARD
result:
ok correct answer!
Test #20:
score: 0
Accepted
time: 1ms
memory: 1828kb
input:
3 10 ##.......S ####.####. ...#..G##.
output:
4 RIGHT FORWARD LEFT IF-OPEN 2
result:
ok correct answer!
Test #21:
score: 0
Accepted
time: 1ms
memory: 1768kb
input:
2 7 .#S.### .#.G..#
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #22:
score: 0
Accepted
time: 1ms
memory: 1764kb
input:
2 7 .S#.#.# G#.##.#
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #23:
score: 0
Accepted
time: 1ms
memory: 1828kb
input:
2 4 ...S ##G#
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #24:
score: 0
Accepted
time: 1ms
memory: 1768kb
input:
2 7 S...... .G.....
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #25:
score: 0
Accepted
time: 1ms
memory: 1776kb
input:
2 3 #S# ..G
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #26:
score: 0
Accepted
time: 1ms
memory: 2008kb
input:
2 4 #.S# #G##
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #27:
score: 0
Accepted
time: 1ms
memory: 1824kb
input:
3 6 .#S### #....# #G.#..
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #28:
score: 0
Accepted
time: 1ms
memory: 1828kb
input:
2 4 S.#. #G##
output:
2 FORWARD RIGHT
result:
ok correct answer!
Test #29:
score: 0
Accepted
time: 1ms
memory: 1816kb
input:
2 5 ##..S ...G.
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #30:
score: 0
Accepted
time: 1ms
memory: 1828kb
input:
2 9 #S###.... G..##..##
output:
2 FORWARD RIGHT
result:
ok correct answer!
Test #31:
score: 0
Accepted
time: 1ms
memory: 1968kb
input:
6 10 ....S...## .#...#.... .......... .#.#...#.. ...#.##... .G#...#...
output:
3 LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #32:
score: 0
Accepted
time: 1ms
memory: 1808kb
input:
3 3 S.. ##. ##G
output:
3 FORWARD IF-OPEN 1 RIGHT
result:
ok correct answer!
Test #33:
score: 0
Accepted
time: 1ms
memory: 1772kb
input:
5 5 ..S.. .##.. .#### ..#.. G.#.#
output:
3 FORWARD IF-OPEN 1 LEFT
result:
ok correct answer!
Test #34:
score: 0
Accepted
time: 1ms
memory: 1808kb
input:
4 6 S#.... ....#. #..... #...G.
output:
3 FORWARD IF-OPEN 1 LEFT
result:
ok correct answer!
Test #35:
score: 0
Accepted
time: 1ms
memory: 1772kb
input:
3 6 .#..S# ..#..# .##G.#
output:
3 FORWARD IF-OPEN 1 RIGHT
result:
ok correct answer!
Test #36:
score: 0
Accepted
time: 1ms
memory: 1772kb
input:
4 3 ..S .#. ..# G..
output:
3 FORWARD IF-OPEN 1 LEFT
result:
ok correct answer!
Test #37:
score: 0
Accepted
time: 1ms
memory: 1708kb
input:
5 3 S.. ##. ... ... .G.
output:
3 FORWARD IF-OPEN 1 RIGHT
result:
ok correct answer!
Test #38:
score: 0
Accepted
time: 1ms
memory: 1708kb
input:
8 2 .S .. .. .. .. .. .# G.
output:
3 FORWARD IF-OPEN 1 LEFT
result:
ok correct answer!
Test #39:
score: 0
Accepted
time: 1ms
memory: 1776kb
input:
3 7 ...#..S #.#.... ....G..
output:
3 FORWARD IF-OPEN 1 LEFT
result:
ok correct answer!
Test #40:
score: 0
Accepted
time: 1ms
memory: 1820kb
input:
3 9 #......S. ...#.#... .G.#.#...
output:
3 FORWARD IF-OPEN 1 LEFT
result:
ok correct answer!
Test #41:
score: 0
Accepted
time: 1ms
memory: 1808kb
input:
2 9 .##..S... ##..##G.#
output:
4 FORWARD FORWARD FORWARD RIGHT
result:
ok correct answer!
Test #42:
score: 0
Accepted
time: 0ms
memory: 1968kb
input:
4 6 S..#.# ..#... ...... ..#G#.
output:
4 FORWARD FORWARD LEFT FORWARD
result:
ok correct answer!
Test #43:
score: 0
Accepted
time: 0ms
memory: 1880kb
input:
4 9 #..##S..# ##..#...# #.......# ####.#G##
output:
4 LEFT FORWARD IF-OPEN 1 LEFT
result:
ok correct answer!
Test #44:
score: 0
Accepted
time: 1ms
memory: 1768kb
input:
3 8 ....S... .....#.. ..#G#...
output:
4 FORWARD RIGHT FORWARD LEFT
result:
ok correct answer!
Test #45:
score: 0
Accepted
time: 1ms
memory: 1772kb
input:
4 9 .#.S##### ..#.###.. .#....#.# .####.G.#
output:
4 FORWARD LEFT FORWARD RIGHT
result:
ok correct answer!
Test #46:
score: 0
Accepted
time: 0ms
memory: 1776kb
input:
4 3 ..S ... ... #G#
output:
4 LEFT FORWARD IF-OPEN 1 LEFT
result:
ok correct answer!
Test #47:
score: 0
Accepted
time: 1ms
memory: 1828kb
input:
2 7 #...S.. ..#G##.
output:
4 FORWARD FORWARD FORWARD LEFT
result:
ok correct answer!
Test #48:
score: 0
Accepted
time: 1ms
memory: 1808kb
input:
5 6 ...S.. ...#.. ...#.. ...#.# #G..#.
output:
4 RIGHT FORWARD IF-OPEN 1 RIGHT
result:
ok correct answer!
Test #49:
score: 0
Accepted
time: 1ms
memory: 1824kb
input:
4 8 .#...#.S ..###... ........ ....G..#
output:
4 FORWARD RIGHT FORWARD LEFT
result:
ok correct answer!
Test #50:
score: 0
Accepted
time: 1ms
memory: 1712kb
input:
3 4 #S.. ##.. .#G#
output:
4 LEFT FORWARD RIGHT IF-OPEN 2
result:
ok correct answer!
Test #51:
score: 0
Accepted
time: 1ms
memory: 1816kb
input:
4 6 #.S.#. #..#.. ..#... ..G##.
output:
3 FORWARD IF-OPEN 1 LEFT
result:
ok correct answer!
Test #52:
score: 0
Accepted
time: 1ms
memory: 1732kb
input:
4 5 #..S. #.#.. ..#.. G#..#
output:
4 RIGHT FORWARD LEFT FORWARD
result:
ok correct answer!
Test #53:
score: 0
Accepted
time: 1ms
memory: 1768kb
input:
5 5 #.#S# #...# ##.## ##..# .##.G
output:
5 LEFT IF-OPEN 5 RIGHT GOTO 2 FORWARD
result:
ok correct answer!
Test #54:
score: 0
Accepted
time: 4ms
memory: 1772kb
input:
5 6 ##S..# ...#.. ...#.# ...#.. ..#G.#
output:
3 RIGHT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #55:
score: 0
Accepted
time: 1ms
memory: 1816kb
input:
6 4 ...S ..#. .... .... .... G...
output:
3 FORWARD IF-OPEN 1 LEFT
result:
ok correct answer!
Test #56:
score: 0
Accepted
time: 0ms
memory: 1768kb
input:
5 6 ....S. ...... ...... ....#. ....G.
output:
3 FORWARD IF-OPEN 1 LEFT
result:
ok correct answer!
Test #57:
score: 0
Accepted
time: 0ms
memory: 1824kb
input:
4 5 S###. .#### .#### ..G##
output:
3 FORWARD IF-OPEN 1 LEFT
result:
ok correct answer!
Test #58:
score: 0
Accepted
time: 1ms
memory: 1880kb
input:
6 5 ...S. ...#. .#... ..##. .##.. .G#..
output:
3 FORWARD IF-OPEN 1 LEFT
result:
ok correct answer!
Test #59:
score: 0
Accepted
time: 0ms
memory: 1960kb
input:
5 4 ..S. #... .#.. ..#. G...
output:
3 FORWARD IF-OPEN 1 RIGHT
result:
ok correct answer!
Test #60:
score: 0
Accepted
time: 0ms
memory: 1748kb
input:
5 5 ..#S# .#..# ....# ..#.# ###G.
output:
1 FORWARD
result:
ok correct answer!
Test #61:
score: 0
Accepted
time: 1ms
memory: 1776kb
input:
10 10 #...S..#.. ..#...#... ..#.#.#... ...#....## ##.....#.# .....#.##. .....#...# ...###.... ..#.#..... .#.#....#G
output:
4 FORWARD LEFT FORWARD RIGHT
result:
ok correct answer!
Test #62:
score: 0
Accepted
time: 1ms
memory: 1764kb
input:
10 10 .#..S#...# .....#.... ...#...#.# .##..#.... #....###.# ........## ...#..#... ##.#....## ...#....#. #.#G...#.#
output:
3 FORWARD IF-OPEN 1 RIGHT
result:
ok correct answer!
Test #63:
score: 0
Accepted
time: 1ms
memory: 1772kb
input:
10 10 .......S.. .......... .......... .......... ........#. .......... .......... .......... .......... ........G.
output:
3 FORWARD IF-OPEN 1 LEFT
result:
ok correct answer!
Test #64:
score: 0
Accepted
time: 1ms
memory: 1808kb
input:
10 10 ....#S.#.# .#....#... .....#..#. ....#..#.. .#.....#.# .......### #....#.#.. .......... .#.#.##... #....G.#..
output:
5 LEFT IF-OPEN 5 RIGHT GOTO 2 FORWARD
result:
ok correct answer!
Test #65:
score: 0
Accepted
time: 1ms
memory: 1964kb
input:
10 10 #...#..#.S .##..#.... ..###.#... ##.##.##.. #.#..##..# .##.##...# ..#.##..#. ...#...##. .#.#....## #.##..G##.
output:
5 LEFT IF-OPEN 5 RIGHT GOTO 2 FORWARD
result:
ok correct answer!
Test #66:
score: 0
Accepted
time: 0ms
memory: 1776kb
input:
10 10 .........S .......... ..#....... .......... .....#.... .#........ .......... .......... .......#.. .G.......#
output:
3 FORWARD IF-OPEN 1 LEFT
result:
ok correct answer!
Test #67:
score: 0
Accepted
time: 0ms
memory: 1776kb
input:
10 10 .....#...S ...#....#. ......#.## ..#......# #.#.##.#.. ..#.##.#.. .......#.. #...#..... #.#....#.. .#...#..#G
output:
5 LEFT IF-OPEN 5 RIGHT GOTO 2 FORWARD
result:
ok correct answer!
Test #68:
score: 0
Accepted
time: 1ms
memory: 1812kb
input:
10 10 ......S... .......... .......... .......... .......... ...#....#. .......... #.....#... .......... .....#G...
output:
3 FORWARD IF-OPEN 1 RIGHT
result:
ok correct answer!
Test #69:
score: 0
Accepted
time: 1ms
memory: 1840kb
input:
10 10 ......##S. ........#. ....###... ....#.#..# .##....#.# .....#.... .....#.... ..##...... ....#.#.#. .#....G...
output:
5 LEFT IF-OPEN 5 RIGHT GOTO 2 FORWARD
result:
ok correct answer!
Test #70:
score: 0
Accepted
time: 0ms
memory: 1880kb
input:
10 10 #.S#..#... .......#.# #..##..#.# #...#...#. #.###..##. .....#.#.# #.#..#...# ..##.#.#.# ####..#... ##..G#.#.#
output:
5 LEFT IF-OPEN 5 RIGHT GOTO 2 FORWARD
result:
ok correct answer!
Test #71:
score: 0
Accepted
time: 1ms
memory: 1772kb
input:
10 10 S#...#.... .#.#.#.##. .#.#.#.#.. .#.#.#.#.# .#.#.#.#.. .#.#.#.##. .#.#.#.#.. .#.#.#.#.# .#.#.#.#.. ...#...##G
output:
5 LEFT IF-OPEN 5 RIGHT GOTO 2 FORWARD
result:
ok correct answer!
Test #72:
score: 0
Accepted
time: 1ms
memory: 1728kb
input:
10 10 S#..#...#. .#.....#.. .#.....#.. .........# ##.#.#.#.. .#.#.#.#.. .#.#.#.#.# .#.#.#.#.. .#.#.#.#.. ...#...#.G
output:
3 FORWARD IF-OPEN 1 LEFT
result:
ok correct answer!
Test #73:
score: 0
Accepted
time: 1ms
memory: 1772kb
input:
10 10 S.#.#.#.#. #..#.#.#.# .#..#.#.#. #.#..#.#.# .#.#..#.#. #.#.#..#.# .#.#.#..#. #.#.#.#..# .#.#.#.#.. #.#.#.#.#G
output:
4 FORWARD LEFT FORWARD RIGHT
result:
ok correct answer!
Test #74:
score: 0
Accepted
time: 1ms
memory: 1824kb
input:
10 10 S......... .########. .#......#. .#......#. .#......#. .#......#. .#......#. .#......#. .########. .........G
output:
3 FORWARD IF-OPEN 1 LEFT
result:
ok correct answer!
Test #75:
score: 0
Accepted
time: 0ms
memory: 1760kb
input:
10 10 S.#....... #.###.#### #......#.# ##.###.... .#.#...#.# ...#####.# .#.#.#...# .#.#...### ##.#####.# .........G
output:
4 FORWARD LEFT FORWARD RIGHT
result:
ok correct answer!
Test #76:
score: 0
Accepted
time: 1ms
memory: 1824kb
input:
10 10 S.#....... #.###.#### #......#.# ##.###.... .#.#...#.# ...#####.# .#.#.#...# .#.#...### ##.#####.# G.........
output:
5 LEFT IF-OPEN 5 RIGHT GOTO 2 FORWARD
result:
ok correct answer!